MUMBAI: Online purchases made through mobile phones are likely to touch $40 million by 2016 from the current level of $30 million, according to a joint study by Assocham and Grant Thornton. An additional 200 million Indians will access Internet in the next three years, with majority of them coming online through smartphones, according to the study. Online travel dominates the Indian e-commerce market in comparison with the global market where it contributes a smaller share, it said. The number of users making online transactions has also grown exponentially and it is expected to increase to 38 million in 2015.